package com.luoshenshen.server;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

import java.util.concurrent.TimeUnit;

/**
 * @author ShenshenLuo
 * @date 2025/3/22 20:46
 **/
public class NettyServerHandler extends ChannelInboundHandlerAdapter {

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) {
        // ChannelHandlerContext workerGroup 上下文对象
        ByteBuf buf = (ByteBuf) msg;
        // System.out.println("server received: " + new String(buf.array()));
        System.out.println("server received: " + buf.toString(CharsetUtil.UTF_8));

        // 异步提交taskQuery
        ctx.channel().eventLoop().execute(() -> {
            System.out.println("client received: " + buf.toString(CharsetUtil.UTF_8));
        });

        ctx.channel().eventLoop().schedule(new Runnable() {
            @Override
            public void run() {
                ctx.writeAndFlush(Unpooled.copiedBuffer("Hello World", CharsetUtil.UTF_8));
            }
        }, 0L, TimeUnit.MINUTES);
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) {
        ctx.writeAndFlush(Unpooled.copiedBuffer("Server: Hello World", CharsetUtil.UTF_8));
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        ctx.close();
    }
}
